EP 1167556 A3 20020925 - Process for recovery of aluminium from aluminium-bearing solid waste materials by lixiviation
Title (en)
Process for recovery of aluminium from aluminium-bearing solid waste materials by lixiviation
Title (de)
Verfahren zum Herauslösen von metallischem Aluminium aus aluminiumhaltigen, festen Abfällen
Title (fr)
Procédé de récuparation de l'aluminium par lixiviation à partir de déchets alumineux solides
Publication
Application
Priority
AT 11032000 A 20000628
Abstract (en)
[origin: EP1167556A2] Process for dissolving out metallic aluminum from aluminum-containing solid waste comprises: (a) mixing the crushed waste with alkali hydroxide and water to form a mixture having a pulpy consistency; (b) removing the hydrogen released; and (c) separating the aluminate formed from the aluminum with the aqueous phase of the mixture from the solid phase.
IPC 1-7
IPC 8 full level
C22B 7/00 (2006.01); C22B 21/00 (2006.01)
CPC (source: EP)
C22B 7/008 (2013.01); C22B 21/0023 (2013.01); Y02P 10/20 (2015.11)
Citation (search report)
- [XY] WO 9943615 A1 19990902 - ALUMITECH OF CLEVELAND INC [US]
- [Y] WO 9109978 A1 19910711 - ALCAN INT LTD [CA]
- [Y] US 4252776 A 19810224 - HUCKABAY DURWARD A, et al
- [XY] EP 0576416 A1 19931229 - WAAGNER BIRO AG [AT]
- [X] FR 2751957 A1 19980206 - PECHINEY ALUMINIUM [FR]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1167556 A2 20020102; EP 1167556 A3 20020925; EP 1167556 B1 20060816; AT 409350 B 20020725; AT A11032000 A 20011215; AT E336601 T1 20060915; DE 50110733 D1 20060928
DOCDB simple family (application)
EP 01890201 A 20010628; AT 01890201 T 20010628; AT 11032000 A 20000628; DE 50110733 T 20010628